Mount Carlisle
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Mount Carlisle is a
stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...
in
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
which forms part of the 5 mile (8 km) wide Carlisle Island, one of the
Islands of Four Mountains The Islands of Four Mountains () is an island grouping of the Aleutian Islands in Alaska, United States. The chain includes, from west to east, Amukta Island, Amukta, Chagulak Island, Chagulak, Yunaska Island, Yunaska, Herbert Island, Herbert, C ...
which, in turn, form part of the central
Aleutian Islands The Aleutian Islands ( ; ; , "land of the Aleuts"; possibly from the Chukchi language, Chukchi ''aliat'', or "island")—also called the Aleut Islands, Aleutic Islands, or, before Alaska Purchase, 1867, the Catherine Archipelago—are a chain ...
. Despite its modest summit elevation, a small
glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
exists high on the western slopes just below the rim of the summit crater. A few historical
eruption A volcanic eruption occurs when material is expelled from a volcanic vent or fissure. Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has ...
s of Carlisle have been recorded, but its proximity to several other neighboring volcanoes means that there has been some confusion in the older records as to which of the volcanoes was erupting. As the area is extremely remote, distant observations of volcanic plumes cannot be verified for certain. It is across the Carlisle Pass from Chuginadak Island and is northeast of
Herbert Island Herbert Island (; ) is an island in the Islands of Four Mountains subgroup of the Aleutian archipelago. It is from Chuginadak Island, separated by the Chuginadak Pass. Yunaska Island is west southwest of Herbert Island. Measuring across ...
. Carlisle Island has as diameter of . __TOC__


See also

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List of mountain peaks of North America This article comprises three sortable tables of major mountain peaksThis article defines a significant summit as a summit with at least of topographic prominence, and a major summit as a summit with at least of topographic prominence. All ...
**
List of mountain peaks of the United States This article comprises three sortable tables of major mountain peaks of the United States of America. The summit of a mountain or hill may be measured in three main ways: #The topographic elevation of a summit measures the height of the tip o ...
***
List of mountain peaks of Alaska This article comprises three sortable tables of major mountain peaks of the U.S. State of Alaska. The summit of a mountain or hill may be measured in three principal ways: #The topographic elevation of a summit measures the height of the summi ...
*
List of Ultras of the United States The following sortable table comprises the 200 most topographically prominent mountain peaks of the United States of America. The summit of a mountain or hill may be measured in three principal ways: #The topographic elevation of a summit m ...
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List of volcanoes in the United States This article contains a list of volcanoes in the United States and its territories. Alaska American Samoa Arizona California Colorado Hawaii Idaho Illinois Louisiana Michigan Mississippi Missouri Nevada Ne ...


References


External links


Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs

Alaska Volcano Observatory
Landforms of Aleutians West Census Area, Alaska Stratovolcanoes of Alaska Aleutian Range Mountains of Unorganized Borough, Alaska Volcanoes of Unorganized Borough, Alaska Holocene stratovolcanoes One-thousanders of the United States {{AleutiansWestAK-geo-stub